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Journal of Radioanalytical and Nuclear Chemistry

, Volume 322, Issue 2, pp 1159–1168 | Cite as

Experimental study of different admixture effects on the properties of uranium mill tailing solidified bodies

  • Fuliang JiangEmail author
  • Guan Chen
  • Ming Li
  • Yong Liu
  • Xiangyang Li
  • Jintao Guo
  • Haonan Wu
  • Zhe Wang
Article
  • 38 Downloads

Abstract

To study the influence of admixtures, including blast furnace slag, quicklime, and fly ash, on the properties of solidified uranium mill tailings, the mechanical strength, permeability coefficient, and radon exhalation rate of solidified samples were measured after curing and storage for 28 days. The results showed that, with increased admixture dosage, the curing degree of the solidified body improved, mechanical strength increased, and permeability coefficient and radon exhalation rate decreased. At the same dosage of the three additives, the optimized curing degree in the blast furnace slag samples with 25% dosage had the properties of blast furnace slag samples, which was in accordance with China GB 14569.1-2011 standards that provide theoretical reference and decision evidence for the future management of uranium tailing impoundment/decommissioning treatment.

Keywords

Solidified body of uranium mill tailings Mechanical strength Permeability coefficient Radon exhalation rate 

Notes

Acknowledgements

This research was supported by the National Natural Science Foundation of China (Nos. 11475081, 11875164), Project Approved by the Research Foundation of Education Bureau of Hunan Province, China (No. 17B228), the Double First Class Construct Program of USC (No. 2017SLY05), and Postgraduate Science Foundation Project of Hunan Province, China (No. CX20190726), Project Approved by Hunan Province Engineering Research Center of Radioactive Control Technology in Uranium Mining and Metallurgy & Hunan Province Engineering Technology Research Center of Uranium Tailings Treatment Technology (No. 2018YKZX1004), Open Fund Project of Hunan Cooperative Innovation Center for Nuclear Fuel Cycle Technology & Equipment (No. 2019KFZ01).

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  • Fuliang Jiang
    • 1
    • 2
    • 3
    Email author
  • Guan Chen
    • 1
  • Ming Li
    • 1
  • Yong Liu
    • 1
    • 2
    • 3
  • Xiangyang Li
    • 1
    • 2
    • 3
  • Jintao Guo
    • 1
  • Haonan Wu
    • 1
  • Zhe Wang
    • 1
  1. 1.School of Resource and Environment and Safety EngineeringUniversity of South ChinaHengyangChina
  2. 2.Hunan Province Engineering Technology Research Center of Uranium Tailings TreatmentHengyangChina
  3. 3.Hunan Province Engineering Research Center of Radioactive Control Technology in Uranium Mining and MetallurgyHengyangChina

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